Bugfix release 10.1.4

[cknitt]

Collecting bugfixes to be backported in this issue.

[cknitt]

#5966 (suggested by @aspeddro in #5995)

[aspeddro]

Others PR:

• better error message for extension point #5965
• polish(format): improve format check CLI #5893

[davide-scalzo]

Will this #6052 be in 10.1.4?

[fhammerschmidt]

Yes. As it is already merged into the corresponding branch: #6053.